tupleTypeSpecifier

Specifies a named tuple type with one or more named element types. Tuples provide anonymous structured data types in CQL.

Examples

Simple name/age tuple

parameter "Person" Tuple { name String, age Integer }

Tuple with nested type

define function "Summary"() returns Tuple { period Interval<DateTime>, count Integer }:
  Tuple { period: "Measurement Period", count: 42 }

Railroad Diagram

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tupleTypeSpecifier
  : 'Tuple' '{' tupleElementDefinition (',' tupleElementDefinition)* '}'
  ;